The Pentax AL-320 S/N 311871 Auto Level is a high-quality automatic level designed for use by surveyors, engineers, and other professionals in the construction industry. With its 2-speed focusing capability, this level ensures accurate and precise measurements, making it essential for carrying out detailed inspections and surveys. The Pentax brand is known for its reliability and durability, making this autolevel a valuable tool for those in need of precise measurements in various industrial and commercial settings.